.sub-ad {
  margin-top: 6px;
  margin-bottom: 30px;
  height: 144px;
}

.sub-ad ul {
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}

.sub-ad ul li {
  float: left;
  display: block;
  width: 244px;
  height: 100%;
}

.sub-ad ul li a img {
  vertical-align: middle;
}

.sub-ad ul li:first-child {
  display: flex;
  flex-wrap: wrap;
  background-color: #f9f9f9;
}

.sub-ad ul li:first-child .grt {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-content: center;
  position: relative;
  width: 122px;
  height: 72px;
}

.sub-ad ul li:first-child .grt img {
  display: block;
  margin-left: 48px;
  width: 24px;
  height: 24px;
}

.sub-ad ul li:first-child .grt p {
  text-align: center;
}